body, html
    line-height: 1
    font-weight: 200
    font-family: 'PingFang SC', 'STHeitisc-light','Helvetica-Light','arial','sans-serif'
.clearfix
    display: inline-block
    &:after
        display: block
        content: "."
        height: 0
        line-height: 0
        clear: both
        visibility: hidden
@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-radio: 1.5)
    .border-1px
      &::after
        -webkit-transform: scaleY(0.7)
        transform: scaleY(0.7)
@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-radio: 2)
    .border-1px
      &::after
        -webkit-transform: scaleY(0.5)
        transform: scaleY(0.5)
